<template>
  <div class="login">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="logo">
        <img src="../assets/logo.png" alt />
      </div>

      <!-- 表单区域 -->
      <el-form class="form" :model="formmsg" :rules="rulse" ref="ruleForm">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="el-icon-s-custom
"
            v-model="formmsg.username"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            prefix-icon="el-icon-unlock"
            v-model="formmsg.password"
          ></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btn">
          <el-button type="success" @click="login('ruleForm')">登录</el-button>
          <el-button type="primary" @click="reset('ruleForm')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      formmsg: {
        username: 'admin',
        password: '123456'
      },
      rulse: {
        username: [
          { required: true, message: '请输入活动名称', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入活动名称', trigger: 'blur' },
          { min: 3, max: 6, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    reset(formName) {
      this.$refs[formName].resetFields()
    },
    login(formName) {
      this.$refs[formName].validate(async valid => {
        if (!valid) return false
        const { data: res } = await this.$http.post('login', this.formmsg)
        if (res.meta.status !== 200) return this.$message.error('登陆失败')
        sessionStorage.setItem('token', res.data.token)
        this.$message.success('登录成功')
        this.$router.push('/home')
      })
    }
  }
}
</script>
<style lang="less" scope>
.login {
  margin: 0;
  width: 100%;
  height: 100%;
  background-color: #2b4b6b;
  .login_box {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 2px 3px 3px rgba(255, 255, 255, 0.6);
    .logo {
      position: absolute;
      left: 50%;
      top: -65px;
      transform: translateX(-50%);
      height: 130px;
      width: 130px;
      background-color: #fff;
      border: 1px solid #cccccc;
      border-radius: 50%;
      overflow: hidden;
      padding: 10px;
      img {
        width: 100%;
        background-color: #ccc;
        border-radius: 50%;
      }
    }
  }
  .form {
    position: absolute;
    bottom: 0;
    box-sizing: border-box;
    padding: 0 20px;
    width: 100%;
    .btn {
      float: right;
    }
  }
}
</style>
